/*
 * Copyright 2022 The Open Islands Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.openislands.oi.config;

import org.openislands.oi.constant.Dict;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.RequestHandler;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.function.Predicate;

@Configuration
//@EnableOpenApi
public class SwaggerConfig {

    @Value("${swagger.version}")
    private String version;

    @Value("${swagger.enable}")
    private boolean enable;

    @Bean
    public Docket createDocketApi() {
        return new Docket(DocumentationType.OAS_30)
                .select()
                .apis(getRequestHandlerSelectors())
                .build()
                .apiInfo(apiInfo())
                .enable(enable);
    }

    private Predicate<RequestHandler> getRequestHandlerSelectors() {
        String serverName = System.getProperty(Dict.SERVER_NAME);
        if (serverName != null) {
            return RequestHandlerSelectors.basePackage("org.openislands.oi." + serverName + ".http");
        }
        return RequestHandlerSelectors.none();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("Open Islands")
                .version(version)
                .build();
    }
}